Malte, thanks for the pointer to the 4051. It does look like they play a large part: if I remove the two main 4051s and plug them part way, they seem to have a drastic effect on the sound, especially regarding Cutoff/Res or Cutoff Res Env.
Yash
Yash
--- In PolySix@yahoogroups.com, Malte Rogacki <gacki@...> wrote:
>
> In my opinion this particular error is probably unrelated to the previous
> problems.
>
> If you look at the schematic you'll notice that those parameters are not
> controlled via the D and P lines on CN06; instead the are multiplexed and
> passed via CN11.
> Could indeed be a 4051 or one of its lines acting up.
>